code: def test_map_emphasis():
      c = Map().add(
          "商家A",
          [list(z) for z in zip(Faker.provinces, Faker.values())],
          "china",
          emphasis_label_opts=opts.LabelOpts(is_show=False),
          emphasis_itemstyle_opts=opts.ItemStyleOpts(
              border_color="white", area_color="red"
          ),
      )
      options = json.loads(c.dump_options())
      expected = {
          "label": {"show": False, "margin": 8},
          "itemStyle": {"borderColor": "white", "areaColor": "red"},
      }
      assert_equal(expected, options["series"][0]["emphasis"])
  
file_path: pyecharts/test/test_map.py
imports: from unittest.mock import patch
  import simplejson
  from nose.tools import assert_equal
  from pyecharts import options
  from pyecharts.charts import Map
  from pyecharts.faker import Faker
label_desc: Use image node_id 3 for calling a global function with example usage: test_map_emphasis() without return types